1169 lines
33 KiB
C++
1169 lines
33 KiB
C++
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/********************************** module *********************************/
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/* Copyright (c) 1993-2000 Microsoft Corporation */
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/* */
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/* cclex */
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/* lexical analyser for the C compiler */
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/* */
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/***************************************************************************/
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/* */
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/* @ Purpose: */
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/* */
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/* @ Functions included: */
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/* */
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/* */
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/* @ Author: Gerd Immeyer @ Version: */
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/* */
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/* @ Creation Date: 1987.02.09 @ Modification Date: */
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/* */
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/***************************************************************************/
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#pragma warning ( disable : 4514 4310 4710 )
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#include "nulldefs.h"
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extern "C" {
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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}
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#include "common.hxx"
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#include "errors.hxx"
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#include "midlnode.hxx"
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#include "listhndl.hxx"
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#include "filehndl.hxx"
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#include "lextable.hxx"
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#include "lexutils.hxx"
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#include "grammar.h"
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#include "gramutil.hxx"
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#include "cmdana.hxx"
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#include "mbcs.hxx"
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extern "C" {
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#include "lex.h"
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}
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extern void ParseError( STATUS_T, char *);
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extern NFA_INFO *pImportCntrl;
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extern lextype_t yylval;
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extern token_t toktyp_G; /* token type */
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extern short toklen_G; /* len of token string */
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extern char *tokptr_G; /* pointer to token string */
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extern long tokval_G; /* value of constant token */
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extern short curr_line_G;
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extern LexTable *pMidlLexTable;
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extern short CompileMode;
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extern CMD_ARG * pCommand;
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int chCached = 0;
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char NewCCputbackc( char ch )
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{
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if (chCached)
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{
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pImportCntrl->UnGetChar(short(chCached));
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}
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chCached = ch;
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if ( ch == '\n' )
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curr_line_G--;
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return ch;
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}
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/***** definition of state table fields ****/
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#define ERR 0x7f0c /* character not in character set */
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#define X10 0x0100
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#define X11 0x0101
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#define X20 0x0200
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#define X21 0x0201
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#define X23 0x0203
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#define X30 0x0300
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#define X40 0x0400
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#define X41 0x0401
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#define X43 0x0403
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#define X50 0x0500
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#define X51 0x0501
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#define X53 0x0503
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#define X62 0x0602
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#define X70 0x0700
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#define X71 0x0701
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#define X73 0x0703
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#define X82 0x0802
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#define X90 0x0900
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#define X91 0x0901
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#define XLQ 0x0a00
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#define XLD 0x0b00
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/*---- define of single operators ----*/
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#define O65 0x410d /* ' 65 */
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#define O43 ('(' * 256 + 12) /* ( 43 */
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#define O44 (')' * 256 + 12) /* ) 44 */
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#define O49 (',' *256 + 12) /* , 49 */
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#define O24 ('.' *256 + 10) /* . 24 */
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#define O14 (':' *256 + 12) /* : 14 */
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#define O50 (';' *256 + 12) /* ; 50 */
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#define O13 ('?' *256 + 12) /* ? 13 */
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#define O47 ('[' *256 + 12) /* [ 47 */
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#define O48 (']' *256 + 12) /* ] 48 */
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#define O45 ('{' *256 + 12) /* { 45 */
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#define O46 ('}' *256 + 12) /* } 46 */
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#define O23 ('~' *256 + 12) /* ~ 23 */
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#define OHS ('#' *256 + 12) /* # */
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#define O64 0x400e /* " 64 */
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#define O7d 0x0000 /* eol */
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#define O7e (short)0x9f0c /* eof */
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/*---- define of possible multi character operator ----*/
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#define D00 0x000b /* - 00 */
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#define D01 0x010c /* / 01 */
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#define D02 0x020c /* < 02 */
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#define D03 0x030c /* > 03 */
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#define D04 0x040c /* ! 04 */
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#define D05 0x050c /* % 05 */
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#define D06 0x060c /* & 06 */
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#define D07 0x070c /* * 07 */
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#define D08 0x080b /* + 08 */
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#define D09 0x090c /* = 09 */
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#define D0a 0x0a0c /* ^ 0a */
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#define D0b 0x0b0c /* | 0b */
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/***** character table *****/
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/* MIDL supports the ANSI character set as input */
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const extern short ct[256]= {
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/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
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O7e,ERR,ERR,ERR,ERR, 0,ERR,ERR,ERR, 0,O7d,ERR, 0, 0,ERR,ERR,
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/* 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f */
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ERR,ERR,ERR,ERR,ERR,ERR,ERR,ERR,ERR,ERR,O7e,ERR,ERR,ERR,ERR,ERR,
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/* ! " # $ % & ' ( ) * + , - . / */
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0,D04,O64,OHS,ERR,D05,D06,O65,O43,O44,D07,D08,O49,D00,O24,D01,
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/* 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */
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7, 8, 8, 8, 8, 8, 8, 8, 9, 9,O14,O50,D02,D09,D03,O13,
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/* @ A B C D E F G H I J K L M N O */
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ERR, 1, 1, 1, 1, 2, 3, 4, 4, 4, 4, 4, 15, 4, 4, 4,
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/* P Q R S T U V W X Y Z [ \ ] ^ _ */
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4, 4, 4, 4, 4, 4, 4, 4, 6, 4, 4,O47,ERR,O48,D0a, 4,
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/* ` a b c d e f g h i j k l m n o */
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ERR, 1, 1, 1, 1, 2, 3, 4, 4, 4, 4, 4, 5, 4, 4, 4,
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/* p q r s t u v w x y z { | } ~ DEL */
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4, 4, 4, 4, 4, 4, 4, 4, 6, 4, 4,O45,D0b,O46,O23,ERR,
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/* 80 81 82 83 84 85 86 87 88 89 8a 8b 8c 8d 8e 8f */
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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/* 90 91 92 93 94 95 96 97 98 99 9a 9b 9c 9d 9e 9f */
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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/* a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 aa ab ac ad ae af */
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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/* b0 b1 b2 b3 b4 b5 b6 b7 b8 b9 ba bb bc bd be bf */
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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/* c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 ca cb cc cd ce cf */
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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/* d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc dd de df */
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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/* e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 ea eb ec ed ee ef */
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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/* f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc fd fe ff */
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4};
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/***** state transition table *****/
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const extern short st[ 13 ][ 16 ] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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// spc a-d e f g-z l x 0 1-7 8-9 . + - op ' " L
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//
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/* start 0 */ 0, 1, 1, 1, 1, 1, 1, 2, 5, 5,X90,X90,X90,X90,X90, 12,
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/* name 1 */ X10, 1, 1, 1, 1, 1, 1, 1, 1, 1,X11,X11,X11,X11,X11, 1,
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/* 0 2 */ X20,X23, 9,X23,X23,X30, 3, 6, 6, 6,X23,X21,X21,X21,X21,X30,
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/* 0x 3 */ X53, 4, 4, 4,X53,X53,X53, 4, 4, 4,X53,X53,X53,X53,X53,X53,
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/* hex 4 */ X50, 4, 4, 4,X53,X53,X53, 4, 4, 4,X53,X51,X51,X51,X51,X53,
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/* int 5 */ X20,X23, 9,X23,X23,X23,X23, 5, 5, 5,X21,X21,X21,X21,X21,X23,
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/* oct 6 */ X70,X73, 9,X73,X73,X73,X73, 6, 6, 5, 8,X71,X71,X71,X71,X73,
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/* . 7 */ X91,X91,X91,X91,X91,X91,X91,X91,X91,X91,X91,X91,X91,X91,X91,X91,
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/* int. 8 */ X40,X43, 9,X43,X43,X43,X43, 8, 8, 8,X43,X41,X41,X41,X41,X43,
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/* .e 9 */ X40,X43,X43,X43,X43,X43,X43, 11, 11, 11,X43, 10,X41,X41,X41,X43,
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/* .e- 10*/ X43,X43,X43,X43,X43,X43,X43, 11, 11, 11,X43,X43,X43,X43,X43,X43,
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/* .e-i 11*/ X40,X43,X43,X43,X43,X43,X43, 11, 11, 11,X43,X41,X41,X41,X41,X43,
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/* L 12*/ X10, 1, 1, 1, 1, 1, 1, 1, 1, 1,X11,X11,X11,XLQ,XLD, 1
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};
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/***** multi character operator table *****/
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const token_t moptab[] = {
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/* 0 1 2 3 4 5 6 7 8 9 10 11 */
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/* - / < > ! % & * + = ^ | */
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/* */
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/* single */ MINUS,DIV,LT,GT,EXCLAIM, MOD,
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AND, MULT, PLUS, ASSIGN, XOR, OR,
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/* op = */ SUBASSIGN, DIVASSIGN, LTEQ, GTEQ, NOTEQ,
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MODASSIGN, ANDASSIGN, MULASSIGN, ADDASSIGN, EQUALS,
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XORASSIGN, ORASSIGN,
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/* op op */ DECOP, GARBAGETOKEN, LSHIFT, RSHIFT, 0, 0,
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ANDAND, 0, INCOP, EQUALS, 0, OROR };
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/***** define of the action routines *****/
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token_t name(void);
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token_t mulop(void);
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token_t character(void);
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token_t string(void);
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token_t ProcessHash();
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token_t ProcessComplexDefine( char *, char *, int );
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token_t LChar();
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token_t LStr();
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extern token_t ScanGuid( void );
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extern token_t ScanVersion( void );
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extern token_t ScanImplicitImports(void);
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typedef token_t (*TOKEN_PFN)(void);
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const static TOKEN_PFN action[] = {
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0, /* unused */
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name, /* handle name token */
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cnv_int, /* convert integer token */
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cnv_int, /* convert integer token */
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cnv_hex, /* convert hex constant */
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cnv_hex, /* convert hex constant */
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cnv_octal, /* convert octal constant */
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cnv_octal, /* convert octal constant */
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cnv_float, /* convert floating point constant */
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mulop, /* handle multi character operator */
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LChar, /* wide character */
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LStr, /* wide character string */
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};
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/***** declare of global varables *****/
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static short ci; /* current state character index */
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static char ch; /* current character */
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static int pbch; /* flag describing whether to take the next char
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or not */
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char LastLexChar;
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unsigned short LexContext = LEX_NORMAL;
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#define MAX_LINE_SIZE 256
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static char tok_buffer[MAX_LINE_SIZE];
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token_t IsValidPragma( char *);
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/*............................. internal function ..........................*/
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/* */
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/* comment analyzer */
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/* */
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token_t comment()
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{
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BOOL fParseError = FALSE;
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for (;;)
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{
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ch = NewCCGetch();
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if (ch == 0)
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{
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fParseError = TRUE;
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break;
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}
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if (CurrentCharSet.IsMbcsLeadByte(ch))
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{
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NewCCGetch();
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}
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else if (ch == '*')
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{
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char chNext = NewCCGetch();
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if (chNext == 0)
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{
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fParseError = TRUE;
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break;
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}
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if (CurrentCharSet.IsMbcsLeadByte(chNext))
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{
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NewCCGetch();
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}
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else if (chNext == '/')
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{
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break;
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}
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else if (chNext == '*')
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{
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NewCCputbackc(chNext);
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}
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}
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}
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if (fParseError)
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{
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ParseError(EOF_IN_COMMENT, (char *)NULL); /* no end of comment operator */
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exit( EOF_IN_COMMENT );
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}
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return ( NOTOKEN );
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}
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token_t commentline()
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{
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for (;;)
|
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{
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ch = NewCCGetch();
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if( ch == 0 )
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{
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ParseError(EOF_IN_COMMENT, (char *)NULL);
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exit( EOF_IN_COMMENT );
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break;
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}
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else if (CurrentCharSet.IsMbcsLeadByte(ch))
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{
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NewCCGetch();
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}
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else if (ch == '\n')
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{
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break;
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}
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}
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return ( NOTOKEN ); /* get the next token */
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}
|
||
|
|
|
||
|
|
|
||
|
|
/*............................. internal function ..........................*/
|
||
|
|
/* */
|
||
|
|
/* multi character operator */
|
||
|
|
/* */
|
||
|
|
|
||
|
|
const static token_t *snglop = &moptab[0]; /* adr of single character operator */
|
||
|
|
const static token_t *assgop = &moptab[12]; /* adr of assignment operator */
|
||
|
|
const static token_t *dblop = &moptab[24]; /* adr of double character operator */
|
||
|
|
|
||
|
|
token_t mulop()
|
||
|
|
{
|
||
|
|
REG unsigned short i; /* index into multi operator table */
|
||
|
|
REG char lstch;
|
||
|
|
//printf ("in mulop ch = %c\n", ch);
|
||
|
|
|
||
|
|
i = unsigned short(((unsigned short)ci) >> 8); /* get high byte of character index */
|
||
|
|
if( i > 11 ) { /* is it a type specification ? */
|
||
|
|
// check for EOI
|
||
|
|
if ( ci == short(0x9f0c) )
|
||
|
|
{
|
||
|
|
if(pImportCntrl->GetLexLevel() == 0)
|
||
|
|
{
|
||
|
|
if(pImportCntrl->GetEOIFlag())
|
||
|
|
return 0;
|
||
|
|
else
|
||
|
|
pImportCntrl->SetEOIFlag();
|
||
|
|
}
|
||
|
|
return EOI;
|
||
|
|
}
|
||
|
|
if( i == 64 ) /* character is " */
|
||
|
|
return ( string() ); /* handle string token */
|
||
|
|
if( i == 65 ) /* character is ' */
|
||
|
|
return ( character() ); /* handle character constant */
|
||
|
|
if( i == '#' )
|
||
|
|
return ProcessHash(); /* process any hash tokens */
|
||
|
|
if( i == '.' )
|
||
|
|
{
|
||
|
|
if( (ch = NewCCGetch()) == '.' )
|
||
|
|
{
|
||
|
|
return DOTDOT;
|
||
|
|
}
|
||
|
|
NewCCputbackc( ch );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( i == LBRACK )
|
||
|
|
{
|
||
|
|
inside_rpc++;
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
if ( i == RBRACK )
|
||
|
|
{
|
||
|
|
inside_rpc--;
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ( i ); /* return type of single operator */
|
||
|
|
}
|
||
|
|
lstch = ch; /* save entry character */
|
||
|
|
ch = NewCCGetch(); /* get a new one */
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
toklen_G = 1;
|
||
|
|
tokptr_G[1] = 0;
|
||
|
|
NewCCputbackc(ch);
|
||
|
|
return *(snglop+i);
|
||
|
|
}
|
||
|
|
tokptr_G[1] = ch; tokptr_G[2] = 0;
|
||
|
|
toklen_G = 2; /* add to token string */
|
||
|
|
if( ch == '=' ) { /* is next character an equal op. */
|
||
|
|
return *(assgop+i); /* return an assign operator */
|
||
|
|
}
|
||
|
|
if( lstch == ch ) { /* is next char. = current char. ? */
|
||
|
|
toktyp_G = *(dblop+i); /* yes, get its type */
|
||
|
|
if( !toktyp_G ) { /* is it a doppel operator ? */
|
||
|
|
toklen_G = 1; /* update token string */
|
||
|
|
tokptr_G[1] = 0;
|
||
|
|
NewCCputbackc(ch); /* deliberate, puback of EOF is ignored */
|
||
|
|
return *(snglop+i); /* no, return single operator */
|
||
|
|
}
|
||
|
|
if( ch == '/' ) /* if the operator is double // */
|
||
|
|
{
|
||
|
|
// potentially an error
|
||
|
|
|
||
|
|
// ParseError( SINGLE_LINE_COMMENT, (char *)0 );
|
||
|
|
return(commentline()); /* the next line is a comment */
|
||
|
|
}
|
||
|
|
ch = NewCCGetch(); /* get next character */
|
||
|
|
if (ch == '=') {
|
||
|
|
tokptr_G[2] = '='; tokptr_G[3] = '\0';
|
||
|
|
toklen_G = 3; /* update token string */
|
||
|
|
if(toktyp_G == LSHIFT) { /* if shift op.and equal sign ? */
|
||
|
|
return (LEFTASSIGN); /* return as assign operator */
|
||
|
|
}
|
||
|
|
if(toktyp_G == RSHIFT) {
|
||
|
|
return (RIGHTASSIGN);
|
||
|
|
}
|
||
|
|
tokptr_G[2] = '\0'; toklen_G = 2;
|
||
|
|
}
|
||
|
|
NewCCputbackc(ch); /* put back unused character */
|
||
|
|
return (toktyp_G); /* else return doppel char. operator */
|
||
|
|
}
|
||
|
|
if( lstch == '-' && ch == '>' ) { /* if structure operator */
|
||
|
|
return (POINTSTO); /* return structure operator */
|
||
|
|
}
|
||
|
|
if( lstch == '/' && ch == '*' ) { /* if comment */
|
||
|
|
return( comment() ); /* ignore the comment */
|
||
|
|
}
|
||
|
|
tokptr_G[1] = '\0'; toklen_G = 1; /* remove from token string */
|
||
|
|
NewCCputbackc(ch); /* putback unused character */
|
||
|
|
return *(snglop+i); /* return single character operator */
|
||
|
|
}
|
||
|
|
|
||
|
|
/*............................. internal function ..........................*/
|
||
|
|
/* */
|
||
|
|
/* convert escape (\) character */
|
||
|
|
/* */
|
||
|
|
|
||
|
|
char convesc()
|
||
|
|
{
|
||
|
|
unsigned short value = 0;
|
||
|
|
unsigned short tmp;
|
||
|
|
BOOL fConstantIsIllegal = FALSE;
|
||
|
|
|
||
|
|
ch = NewCCGetch();
|
||
|
|
|
||
|
|
if ( ch == 'n' )
|
||
|
|
ch = 0xa;
|
||
|
|
else if (ch == 't')
|
||
|
|
ch = 0x9;
|
||
|
|
else if (ch == 'v')
|
||
|
|
ch = 0xb;
|
||
|
|
else if (ch == 'b')
|
||
|
|
ch = 0x8;
|
||
|
|
else if( ch == 'r' )
|
||
|
|
ch = 0xd;
|
||
|
|
else if( ch == 'f' )
|
||
|
|
ch = 0xc;
|
||
|
|
else if( ch == 'a' )
|
||
|
|
ch = 0x7;
|
||
|
|
else if( (ch == 'x') || (ch == 'X') )
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for( i = 0, value = 0, fConstantIsIllegal = FALSE; i < 2; ++i )
|
||
|
|
{
|
||
|
|
tmp = ch = NewCCGetch();
|
||
|
|
tmp = (unsigned short)toupper( tmp );
|
||
|
|
if( isxdigit( tmp ) )
|
||
|
|
{
|
||
|
|
tmp = unsigned short( (tmp >= '0') && (tmp <= '9') ? (tmp - '0') : (tmp - 'A') + 0xa );
|
||
|
|
}
|
||
|
|
else if( ch == '\'' )
|
||
|
|
{
|
||
|
|
NewCCputbackc( ch );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
fConstantIsIllegal = TRUE;
|
||
|
|
}
|
||
|
|
value = unsigned short( value * 16 + tmp );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( fConstantIsIllegal || (value > (unsigned short) 0x00ff) )
|
||
|
|
ParseError( ILLEGAL_CONSTANT, (char *)0 );
|
||
|
|
|
||
|
|
ch = (char )value;
|
||
|
|
}
|
||
|
|
else if( (ch >= '0') && (ch <= '7'))
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
value = unsigned short(ch - '0');
|
||
|
|
|
||
|
|
// the limit for this for loop is 2 because we already saw 1 character
|
||
|
|
|
||
|
|
for ( i = 0, value = unsigned short(ch - '0'), fConstantIsIllegal = FALSE; i < 2; ++i)
|
||
|
|
{
|
||
|
|
tmp = ch = NewCCGetch();
|
||
|
|
if( (ch >= '0') && (ch <= '7'))
|
||
|
|
{
|
||
|
|
tmp = unsigned short(tmp - '0');
|
||
|
|
value = unsigned short(value * 8 + tmp);
|
||
|
|
}
|
||
|
|
else if( ch == '\'' )
|
||
|
|
{
|
||
|
|
NewCCputbackc( ch );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
fConstantIsIllegal = TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if( fConstantIsIllegal || (value > (unsigned short) 0x00ff) )
|
||
|
|
ParseError( ILLEGAL_CONSTANT, (char *)0 );
|
||
|
|
ch = (char )value;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ( ch );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*............................. internal function ..........................*/
|
||
|
|
/* */
|
||
|
|
/* string analyzer */
|
||
|
|
/* */
|
||
|
|
|
||
|
|
token_t
|
||
|
|
character()
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
tokptr_G[0] = ch;
|
||
|
|
tokptr_G[1] = NewCCGetch();
|
||
|
|
tokptr_G[2] = 0;
|
||
|
|
toklen_G = 2;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (ch == '\\')
|
||
|
|
{
|
||
|
|
ch = convesc();
|
||
|
|
}
|
||
|
|
tokptr_G[0] = ch;
|
||
|
|
tokptr_G[1] = '\0';
|
||
|
|
|
||
|
|
yylval.yy_numeric.Val = tokval_G = ch;
|
||
|
|
}
|
||
|
|
if (NewCCGetch() != '\'')
|
||
|
|
{
|
||
|
|
ParseError(CHAR_CONST_NOT_TERMINATED,(char *)NULL );
|
||
|
|
exit( CHAR_CONST_NOT_TERMINATED );
|
||
|
|
}
|
||
|
|
return (CHARACTERCONSTANT);
|
||
|
|
}
|
||
|
|
|
||
|
|
// this rtn is called when the quote has been sensed.
|
||
|
|
|
||
|
|
char* g_pchStrBuffer = 0;
|
||
|
|
unsigned long g_ulStrBufferLen = 1024;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Scan ahead in the current file to see if the next non-space character is a
|
||
|
|
// quote. If it is then this is a string constant that is split into two
|
||
|
|
// pieces (e.g. "this" ... " is a " ... "test"). If the next character is
|
||
|
|
// not a quote reset the file back to where we started from.
|
||
|
|
//
|
||
|
|
// If this is a multi-string situation return MULTIPLE_PROPERTY_ATTRIBUTES.
|
||
|
|
// This is a bit of a mis-use of that error code but it sounds nice.
|
||
|
|
//
|
||
|
|
// HACKHACK: The routine depends on internal knowledge of how NewCCGetch works.
|
||
|
|
// Doing something similiar using the grammar was tried but failed
|
||
|
|
// when processing imports because of details of how the trickery
|
||
|
|
// played on the lexer works to get it to change streams in mid-go.
|
||
|
|
//
|
||
|
|
|
||
|
|
STATUS_T spacereadahead()
|
||
|
|
{
|
||
|
|
fpos_t fpos;
|
||
|
|
short newlines = 0;
|
||
|
|
int ch = ' ';
|
||
|
|
|
||
|
|
if (0 != fgetpos(hFile_G, &fpos))
|
||
|
|
return INPUT_READ;
|
||
|
|
|
||
|
|
while (isspace(ch) && !feof(hFile_G))
|
||
|
|
{
|
||
|
|
ch = getc(hFile_G);
|
||
|
|
|
||
|
|
if ( '\n' == ch )
|
||
|
|
++newlines;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('\"' == ch)
|
||
|
|
{
|
||
|
|
curr_line_G = (short) (curr_line_G + newlines);
|
||
|
|
return MULTIPLE_PROPERTY_ATTRIBUTES;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (0 != fsetpos(hFile_G, &fpos))
|
||
|
|
return INPUT_READ;
|
||
|
|
|
||
|
|
return STATUS_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
token_t
|
||
|
|
string()
|
||
|
|
{
|
||
|
|
STATUS_T Status = STATUS_OK;
|
||
|
|
char * ptr;
|
||
|
|
|
||
|
|
if ( !g_pchStrBuffer )
|
||
|
|
{
|
||
|
|
g_pchStrBuffer = ( char * )malloc( sizeof( char ) * g_ulStrBufferLen );
|
||
|
|
if ( NULL == g_pchStrBuffer )
|
||
|
|
{
|
||
|
|
RpcError( 0, 0, OUT_OF_MEMORY, 0 );
|
||
|
|
exit( OUT_OF_MEMORY );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
strncpy( g_pchStrBuffer, tokptr_G, toklen_G );
|
||
|
|
ptr = g_pchStrBuffer;
|
||
|
|
|
||
|
|
ch = 0;
|
||
|
|
while( ( ch != '"' ) && ( Status == STATUS_OK ) )
|
||
|
|
{
|
||
|
|
if ( ( unsigned long ) ( ptr - g_pchStrBuffer ) > ( g_ulStrBufferLen - 3 ) )
|
||
|
|
{
|
||
|
|
char* pTempStrBuffer = ( char* ) realloc( g_pchStrBuffer, g_ulStrBufferLen * 2 );
|
||
|
|
if ( pTempStrBuffer )
|
||
|
|
{
|
||
|
|
ptr = ( g_pchStrBuffer - ptr ) + pTempStrBuffer;
|
||
|
|
g_pchStrBuffer = pTempStrBuffer;
|
||
|
|
g_ulStrBufferLen = g_ulStrBufferLen * 2;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Status = STRING_TOO_LONG;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ch = NewCCGetch();
|
||
|
|
|
||
|
|
if( ch == 0 )
|
||
|
|
{
|
||
|
|
Status = EOF_IN_STRING;
|
||
|
|
}
|
||
|
|
else if ( ch == '\\' )
|
||
|
|
{
|
||
|
|
*ptr++ = ch;
|
||
|
|
*ptr++ = NewCCGetch();
|
||
|
|
ch = 0;
|
||
|
|
}
|
||
|
|
else if ( ch != '\"' )
|
||
|
|
{
|
||
|
|
*ptr++ = ch;
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
*ptr++ = NewCCGetch();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Status = spacereadahead();
|
||
|
|
|
||
|
|
if ( MULTIPLE_PROPERTY_ATTRIBUTES == Status )
|
||
|
|
{
|
||
|
|
Status = STATUS_OK;
|
||
|
|
ch = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
*ptr = 0;
|
||
|
|
|
||
|
|
if( Status != STATUS_OK )
|
||
|
|
{
|
||
|
|
ParseError( Status, (char *)0 );
|
||
|
|
exit( Status );
|
||
|
|
}
|
||
|
|
|
||
|
|
yylval.yy_string = pMidlLexTable->LexInsert( g_pchStrBuffer );
|
||
|
|
return ( STRING );
|
||
|
|
}
|
||
|
|
/****************************** external function ***************************/
|
||
|
|
/* */
|
||
|
|
/* lexical analyzer */
|
||
|
|
/* */
|
||
|
|
|
||
|
|
static BOOL fLastToken = 0;
|
||
|
|
static BOOL fLineLengthError = 0;
|
||
|
|
static token_t LastToken;
|
||
|
|
|
||
|
|
void
|
||
|
|
initlex()
|
||
|
|
{
|
||
|
|
fLastToken = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void
|
||
|
|
yyunlex( token_t T )
|
||
|
|
{
|
||
|
|
LastToken = T;
|
||
|
|
fLastToken = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
token_t yylex()
|
||
|
|
{
|
||
|
|
REG short state; /* token state */
|
||
|
|
REG char *ptr;
|
||
|
|
|
||
|
|
if( fLastToken )
|
||
|
|
{
|
||
|
|
fLastToken = 0;
|
||
|
|
return LastToken;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( LexContext != LEX_NORMAL )
|
||
|
|
{
|
||
|
|
switch ( LexContext )
|
||
|
|
{
|
||
|
|
case LEX_GUID:
|
||
|
|
{
|
||
|
|
LexContext = LEX_NORMAL;
|
||
|
|
return ScanGuid();
|
||
|
|
}
|
||
|
|
case LEX_VERSION:
|
||
|
|
{
|
||
|
|
LexContext = LEX_NORMAL;
|
||
|
|
return ScanVersion();
|
||
|
|
}
|
||
|
|
case LEX_ODL_BASE_IMPORT:
|
||
|
|
case LEX_ODL_BASE_IMPORT2:
|
||
|
|
{
|
||
|
|
return ScanImplicitImports();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
MIDL_ASSERT(0);
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
again:
|
||
|
|
state = 0; /* initial state */
|
||
|
|
ptr = tokptr_G = tok_buffer; /* remember token begin position */
|
||
|
|
toklen_G = 0;
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
ci = ct[ (unsigned char) (ch=NewCCGetch()) ]; /* character index out of char.tab. */
|
||
|
|
state = st[ state ][ ci & 0x00ff ]; /* determine new state */
|
||
|
|
} while ( state == 0 ); /* skip white space */
|
||
|
|
|
||
|
|
*(ptr++) = ch;
|
||
|
|
toklen_G++; /* add chacter to token string */
|
||
|
|
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
*(ptr++) = NewCCGetch();
|
||
|
|
toklen_G++;
|
||
|
|
}
|
||
|
|
|
||
|
|
while( state < 13 )
|
||
|
|
{ /* loop til end state */
|
||
|
|
ci = ct[ (unsigned char) (ch=NewCCGetch()) ]; /* character index out of char.tab. */
|
||
|
|
state = st[ state ][ ci & 0x00ff ]; /* determine new state */
|
||
|
|
if (state < 13)
|
||
|
|
{ /* if still going, */
|
||
|
|
if (toklen_G + 1 != MAX_LINE_SIZE) /* and the token isn't too large */
|
||
|
|
{
|
||
|
|
*(ptr++) = ch; toklen_G++; /* add chacter to token string */
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
*(ptr++) = NewCCGetch();
|
||
|
|
toklen_G++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
fLineLengthError = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
*ptr = '\0';
|
||
|
|
LastLexChar = ch;
|
||
|
|
|
||
|
|
if (fLineLengthError)
|
||
|
|
{
|
||
|
|
ParseError(IDENTIFIER_TOO_LONG, (char *)0 );
|
||
|
|
fLineLengthError = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch( state & 0x00ff )
|
||
|
|
{
|
||
|
|
case 2: ch = NewCCGetch(); /* position to next character */
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 3:
|
||
|
|
case 1: NewCCputbackc(ch); /* position to current character */
|
||
|
|
break;
|
||
|
|
/* case 0 - do nothing */
|
||
|
|
}
|
||
|
|
//printf ("current ch = %c\n", ch);
|
||
|
|
toktyp_G = (*action[ state >> 8 ])(); /* execute action */
|
||
|
|
|
||
|
|
// skip fluff like #line
|
||
|
|
if (toktyp_G == NOTOKEN)
|
||
|
|
goto again;
|
||
|
|
|
||
|
|
return(toktyp_G);
|
||
|
|
}
|
||
|
|
|
||
|
|
token_t
|
||
|
|
LChar()
|
||
|
|
{
|
||
|
|
character();
|
||
|
|
return WIDECHARACTERCONSTANT;
|
||
|
|
}
|
||
|
|
|
||
|
|
token_t
|
||
|
|
LStr()
|
||
|
|
{
|
||
|
|
string();
|
||
|
|
return WIDECHARACTERSTRING;
|
||
|
|
}
|
||
|
|
|
||
|
|
// process line number tokens
|
||
|
|
token_t
|
||
|
|
ProcessLine()
|
||
|
|
{
|
||
|
|
char * ptr = tokptr_G;
|
||
|
|
|
||
|
|
curr_line_G = short( atoi( ptr ) - 1 );
|
||
|
|
|
||
|
|
// skip spaces before file name
|
||
|
|
while ( ( ch = NewCCGetch() ) == ' ' )
|
||
|
|
;
|
||
|
|
|
||
|
|
ptr = tokptr_G;
|
||
|
|
// see if we got a filename
|
||
|
|
if ( ch == '\"' )
|
||
|
|
{
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
*ptr++ = ch;
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
*ptr++ = NewCCGetch();
|
||
|
|
}
|
||
|
|
else if (ch == '\"')
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*(--ptr) = '\0';
|
||
|
|
|
||
|
|
StripSlashes( tokptr_G );
|
||
|
|
|
||
|
|
pImportCntrl->SetLineFilename( tokptr_G );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// skip to end of line
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
if (ch == 0)
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
}
|
||
|
|
else if (ch == '\n')
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return NOTOKEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
// process # <something>
|
||
|
|
token_t
|
||
|
|
ProcessHash()
|
||
|
|
{
|
||
|
|
char * ptr = tokptr_G,
|
||
|
|
* ptrsave = ptr;
|
||
|
|
token_t PragmaToken;
|
||
|
|
|
||
|
|
do // eat spaces
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
} while( isspace( ch ) );
|
||
|
|
|
||
|
|
// collect first token
|
||
|
|
while( !isspace( ch ) )
|
||
|
|
{
|
||
|
|
*ptr++ = ch;
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
*ptr++ = NewCCGetch();
|
||
|
|
}
|
||
|
|
ch = NewCCGetch();
|
||
|
|
}
|
||
|
|
*ptr = '\0';
|
||
|
|
|
||
|
|
// is this hash a pragma starter ?
|
||
|
|
|
||
|
|
#define PRAGMA_STRING ("pragma")
|
||
|
|
#define LEN_PRAGMA_STRING (6)
|
||
|
|
#define MIDL_PRAGMA_PREFIX ("midl_")
|
||
|
|
#define LEN_MIDL_PRAGMA_PREFIX (5)
|
||
|
|
#define LINE_STRING ("line")
|
||
|
|
#define LEN_LINE_STRING (4)
|
||
|
|
|
||
|
|
// we handle #pragma and #line directives
|
||
|
|
|
||
|
|
// #line found
|
||
|
|
if (strncmp( tokptr_G, LINE_STRING, LEN_LINE_STRING ) == 0 )
|
||
|
|
{
|
||
|
|
ptr = tokptr_G;
|
||
|
|
// get the next token (the number)
|
||
|
|
do // eat spaces
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
} while( isspace( ch ) );
|
||
|
|
|
||
|
|
// collect first token
|
||
|
|
while( !isspace( ch ) )
|
||
|
|
{
|
||
|
|
*ptr++ = ch;
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
*ptr++ = NewCCGetch();
|
||
|
|
}
|
||
|
|
ch = NewCCGetch();
|
||
|
|
}
|
||
|
|
*ptr = '\0';
|
||
|
|
return ProcessLine(); // this needs to be called with tokptr_G pointing after
|
||
|
|
// the #line part
|
||
|
|
}
|
||
|
|
// # <number> found
|
||
|
|
else if ( isdigit(*tokptr_G) )
|
||
|
|
{
|
||
|
|
*ptr = '\0';
|
||
|
|
return ProcessLine();
|
||
|
|
}
|
||
|
|
else if( strncmp( tokptr_G, PRAGMA_STRING, LEN_PRAGMA_STRING ) == 0 )
|
||
|
|
{
|
||
|
|
// eat white space between #pragma and next word
|
||
|
|
for(;;)
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
if(!isspace(ch) ) break;
|
||
|
|
*ptr++ = ch;
|
||
|
|
}
|
||
|
|
|
||
|
|
ptrsave = ptr;
|
||
|
|
|
||
|
|
*ptr++ = ch;
|
||
|
|
|
||
|
|
// pull next word in
|
||
|
|
for(;;)
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
if(!isalpha(ch) && (ch != '_') ) break;
|
||
|
|
*ptr++ = ch;
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
*ptr++ = NewCCGetch();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// put back next char (it may even be the \n)
|
||
|
|
NewCCputbackc( ch );
|
||
|
|
*ptr = 0;
|
||
|
|
|
||
|
|
// check if it is a MIDL pragma or not
|
||
|
|
if ( ( PragmaToken = IsValidPragma( ptrsave ) ) != 0 )
|
||
|
|
{
|
||
|
|
return PragmaToken;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// assume it is some other C pragma, so return the string
|
||
|
|
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
ch = NewCCGetch();
|
||
|
|
*ptr++ = ch;
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(ch))
|
||
|
|
{
|
||
|
|
*ptr++ = NewCCGetch();
|
||
|
|
}
|
||
|
|
else if (ch == '\n')
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*(--ptr) = 0;
|
||
|
|
|
||
|
|
yylval.yy_string = pMidlLexTable->LexInsert( ptrsave );
|
||
|
|
return KWCPRAGMA;
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// some graceful recovery by the parser
|
||
|
|
return GARBAGETOKEN;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
token_t
|
||
|
|
IsValidPragma(
|
||
|
|
char * p )
|
||
|
|
{
|
||
|
|
static char * agPragmaNames[] = {
|
||
|
|
"midl_import"
|
||
|
|
,"midl_echo"
|
||
|
|
,"midl_import_clnt_aux"
|
||
|
|
,"midl_import_srvr_aux"
|
||
|
|
,"pack"
|
||
|
|
};
|
||
|
|
static token_t agTokenVal[] = {
|
||
|
|
KWMPRAGMAIMPORT
|
||
|
|
,KWMPRAGMAECHO
|
||
|
|
,KWMPRAGMAIMPORTCLNTAUX
|
||
|
|
,KWMPRAGMAIMPORTSRVRAUX
|
||
|
|
,KWCPRAGMAPACK
|
||
|
|
};
|
||
|
|
|
||
|
|
short Index = 0;
|
||
|
|
|
||
|
|
while( Index < sizeof( agPragmaNames ) / sizeof(char *) )
|
||
|
|
{
|
||
|
|
if( !strcmp( p, agPragmaNames[ Index ] ) )
|
||
|
|
return agTokenVal[ Index ];
|
||
|
|
++Index;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
token_t
|
||
|
|
ScanGuid( void )
|
||
|
|
{
|
||
|
|
char c;
|
||
|
|
char * p = tokptr_G;
|
||
|
|
|
||
|
|
if( (c = NewCCGetch()) == '\"' )
|
||
|
|
{
|
||
|
|
string();
|
||
|
|
ParseError( QUOTED_UUID_NOT_OSF, (char *)0 );
|
||
|
|
return UUIDTOKEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
NewCCputbackc( c );
|
||
|
|
|
||
|
|
// remove leading spaces.
|
||
|
|
|
||
|
|
while ( (c = NewCCGetch()) != 0 && isspace( c ) )
|
||
|
|
;
|
||
|
|
|
||
|
|
while ( c && (c != ')') && (c != ',') && !isspace(c) )
|
||
|
|
{
|
||
|
|
*p++ = c;
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(c))
|
||
|
|
{
|
||
|
|
*p++ = NewCCGetch();
|
||
|
|
}
|
||
|
|
c = NewCCGetch();
|
||
|
|
}
|
||
|
|
|
||
|
|
NewCCputbackc( c );
|
||
|
|
*p++ = 0;
|
||
|
|
yylval.yy_string = pMidlLexTable->LexInsert(tokptr_G);
|
||
|
|
|
||
|
|
return UUIDTOKEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
token_t
|
||
|
|
ScanVersion( void )
|
||
|
|
{
|
||
|
|
char c;
|
||
|
|
char * p = tokptr_G;
|
||
|
|
|
||
|
|
//
|
||
|
|
// remove leading spaces.
|
||
|
|
//
|
||
|
|
|
||
|
|
while ( (c = NewCCGetch()) != 0 && isspace(c) )
|
||
|
|
;
|
||
|
|
|
||
|
|
while ( c && (c != ')') && !isspace(c) )
|
||
|
|
{
|
||
|
|
*p++ = c;
|
||
|
|
if (CurrentCharSet.IsMbcsLeadByte(c))
|
||
|
|
{
|
||
|
|
*p++ = NewCCGetch();
|
||
|
|
}
|
||
|
|
c = NewCCGetch();
|
||
|
|
}
|
||
|
|
|
||
|
|
NewCCputbackc( c );
|
||
|
|
*p++ = 0;
|
||
|
|
yylval.yy_string = pMidlLexTable->LexInsert(tokptr_G);
|
||
|
|
|
||
|
|
return VERSIONTOKEN;
|
||
|
|
}
|
||
|
|
|
||
|
|
token_t
|
||
|
|
ScanImplicitImports( void )
|
||
|
|
{
|
||
|
|
switch ( LexContext )
|
||
|
|
{
|
||
|
|
case LEX_ODL_BASE_IMPORT:
|
||
|
|
{
|
||
|
|
tokptr_G = "import";
|
||
|
|
toktyp_G = KWIMPORTODLBASE;
|
||
|
|
LexContext = LEX_ODL_BASE_IMPORT2;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case LEX_ODL_BASE_IMPORT2:
|
||
|
|
{
|
||
|
|
tokptr_G = "oaidl.idl";
|
||
|
|
toktyp_G = STRING;
|
||
|
|
yylval.yy_string = pMidlLexTable->LexInsert(tokptr_G);
|
||
|
|
LexContext = LEX_NORMAL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
MIDL_ASSERT(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
return toktyp_G;
|
||
|
|
|
||
|
|
}
|